[Idol Star Athletics Championships] BTS's 3 consecutive victories of 400m relay (2015~2017)

2015~2017 Idol Star Athletics Championships - BTS Special 3 consecutive victories!! ★Subscribe MBC Official Pages★ MBC KPOP YouTube ▶ https://www.youtube.com/user/MBCkpop MBC Entertainment YouTube▶ https://www.youtube.com/user/MBCentertainment MBC Drama YouTube ▶ https://www.youtube.com/user/MBCdrama MBig TV(MBC Web drama) ▶ https://www.youtube.com/channel/UCB9e3pof1o83aa0kkaoeJGA